Enhance your photography experience by adding a floating camera key that allows you to move to any position on the screen in Auto and Selfie modes.
Here's how to activate the floating camera key on Samsung Galaxy S8 Plus:
Step 1: Access the 'Camera' app.

Access the 'Camera' app.
Step 2: Select the settings icon.

Select the settings icon.
Step 3: Turn on the 'Floating Camera Key'.

Activate the 'Floating Camera Key'.
With this, your setup process is complete. Wishing you all the best.
